http://ermouth.livejournal.com/ ([identity profile] ermouth.livejournal.com) wrote in [personal profile] ermouth 2011-03-22 02:33 am (UTC)

>Какая у нас частота колебаний струны массой 1кг, длиной 1м, натянутой с силой 1Н?

блин, ну нет там никакой частоты. там решение -- пучок функций. набор гармоник.
(70 comments)

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